Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Pulse Oximetry01:24

Pulse Oximetry

1.5K
Pulse oximetry, or SpO2, is a non-invasive method for continuously monitoring arterial oxygen saturation (SaO2). This procedure involves attaching a probe or sensor to the patient's fingertip, forehead, earlobe, or nose bridge. The sensor works by detecting changes in oxygen saturation levels through light signals generated by the oximeter and reflected by the pulsing blood under the probe.
Purpose
Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...
1.5K
Guidelines For Measuring Vital Signs01:19

Guidelines For Measuring Vital Signs

3.1K
Following these guidelines can help nurses accurately measure vital signs, assess changes in patient conditions, and provide timely treatment when necessary. Adhering closely to the guidelines ensures the accuracy and reliability of the results.
Before taking a patient's vital signs, a nurse would consider and assess the patient's comfort level and ensure appropriate equipment is available.
3.1K
Special considerations while measuring oxygen saturation01:19

Special considerations while measuring oxygen saturation

1.0K
Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
1.0K
Pulse Assessment Sites01:11

Pulse Assessment Sites

3.4K
Pulse assessment sites are crucial in evaluating a patient's cardiovascular health. By assessing the pulsations of arteries at specific anatomical locations, healthcare professionals can gather valuable information about blood flow, heart rate, and peripheral circulation. Understanding these pulse assessment sites is essential for conducting comprehensive cardiovascular evaluations and monitoring patients' overall health. These sites are strategically chosen due to the accessibility and...
3.4K
Assessing Blood pressure in the Leg01:11

Assessing Blood pressure in the Leg

17.4K
Proper measurement of leg blood pressure is a critical skill for healthcare providers, ensuring precise and reliable readings. When performed correctly, this procedure informs patient care and enhances the efficacy of interventions. The following text outlines step-by-step guidelines to measure blood pressure in the leg, providing clarity and ease of understanding for practitioners.
Preparation:
17.4K
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

1.9K
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
1.9K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Quantifying costs during trauma bay resuscitation: A time-driven activity-based costing (TDABC) study.

The journal of trauma and acute care surgery·2026
Same author

Performance of Machine Learning Models for Sepsis and Stroke Detection Using EMS Data.

Prehospital emergency care·2026
Same author

A Thank You to Our Reviewers for International Submissions.

Prehospital emergency care·2026
Same author

Whole Blood Versus Blood Components in Prehospital Care.

Prehospital emergency care·2025
Same author

The authors respond to reader comment regarding "Found down, pulseless and cold: Outcomes following unwitnessed hypothermic cardiac arrest".

The American journal of emergency medicine·2025
Same author

Oxygen treatment and retrieval pathways of divers with diving-related conditions in Townsville, Australia: a 15-year retrospective review.

Diving and hyperbaric medicine·2025

Related Experiment Video

Updated: Apr 22, 2026

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care
14:28

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care

Published on: May 10, 2024

2.9K

Transcutaneous oximetry: normal values for the lower limb.

Denise F Blake1, Derelle A Young2, Lawrence H Brown3

  • 1Emergency Department, The Townsville Hospital, Townsville, Queensland, School of Marine and Tropical Biology, James Cook University, Townsville, IMB 23, Emergency Department, 100 Angus Smith Drive, The Townsville Hospital, Douglas, Queensland, Australia, 4814, Phone: +61-(0)7-4433-1111, Fax: +61-(0)7-4433-2901,

Diving and Hyperbaric Medicine
|October 15, 2014
PubMed
Summary

Normal lower limb transcutaneous oximetry measurement (TCOM) readings may be lower than 40 mmHg. Clinical assessment remains crucial for guiding hyperbaric oxygen treatment decisions.

Keywords:
Transcutaneous oximetryhyperbaric oxygen therapypatient monitoringstandardswounds

More Related Videos

Author Spotlight: Enhancing Vascular Function and Physical Capacity in Cardiovascular Disease Through Novel Interventions and NIRS Technology
04:44

Author Spotlight: Enhancing Vascular Function and Physical Capacity in Cardiovascular Disease Through Novel Interventions and NIRS Technology

Published on: March 22, 2024

1.7K
Skeletal Muscle Neurovascular Coupling, Oxidative Capacity, and Microvascular Function with 'One Stop Shop' Near-infrared Spectroscopy
09:04

Skeletal Muscle Neurovascular Coupling, Oxidative Capacity, and Microvascular Function with 'One Stop Shop' Near-infrared Spectroscopy

Published on: February 20, 2018

12.1K

Related Experiment Videos

Last Updated: Apr 22, 2026

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care
14:28

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care

Published on: May 10, 2024

2.9K
Author Spotlight: Enhancing Vascular Function and Physical Capacity in Cardiovascular Disease Through Novel Interventions and NIRS Technology
04:44

Author Spotlight: Enhancing Vascular Function and Physical Capacity in Cardiovascular Disease Through Novel Interventions and NIRS Technology

Published on: March 22, 2024

1.7K
Skeletal Muscle Neurovascular Coupling, Oxidative Capacity, and Microvascular Function with 'One Stop Shop' Near-infrared Spectroscopy
09:04

Skeletal Muscle Neurovascular Coupling, Oxidative Capacity, and Microvascular Function with 'One Stop Shop' Near-infrared Spectroscopy

Published on: February 20, 2018

12.1K

Area of Science:

  • Vascular Medicine
  • Respiratory Physiology
  • Medical Device Technology

Background:

  • Current guidelines define lower limb tissue hypoxia via transcutaneous oximetry measurement (TCOM) at < 40 mmHg.
  • Emerging research and newer TCOM devices question the established reference values.

Purpose of the Study:

  • To establish 'normal' TCOM values for the lower limb in healthy, non-smoking adults.
  • Utilize the TCM400 oximeter with tc Sensor E5250 for precise measurements.

Main Methods:

  • TCOM was performed on 32 healthy, non-smoking volunteers.
  • Measurements were taken at six lower leg and foot sites under various conditions: supine breathing air, leg elevation, and 100% oxygen inhalation.

Main Results:

  • Room-air TCOM values varied by site, with some healthy subjects exhibiting readings below 40 mmHg.
  • 24 out of 32 healthy subjects had at least one reading potentially indicative of hypoxia based on the < 40 mmHg threshold.
  • Seventeen subjects showed TCOM values below 100 mmHg while breathing 100% oxygen.

Conclusions:

  • Normal lower limb TCOM values, using the TCM400, might be lower than the 40 mmHg threshold for tissue hypoxia.
  • Significant variability across sensor sites precludes a single TCOM value for hypoxia diagnosis.
  • TCOM should serve as an adjunct to thorough clinical assessment for hyperbaric oxygen treatment decisions, not as a definitive diagnostic tool.